If you live in a country like the United States or France, your tax dollars go toward support for international peace-keeping efforts, so you have a stake in these efforts. Test your knowledge of no-fly zones with this quiz.
The U.N. charter gives that international body the authority to authorize member states to impose a no-fly zone.
The U.N. has imposed four no-fly zones since 1991, in northern and southern Iraq, Bosnia, and, most recently, in Libya.
Usually no-fly zones are in place for years. In Iraq, the northern no-fly zone remained in place from 1991 to 2003.
The Pentagon named the mission in Libya Operation Odyssey Dawn. The British call it Operation ELLAMY, and the French named it Operation Harmattan.
Not only did Venezuela not send forces to participate, but its leader, Hugo Chavez, has expressed support for Gaddafi.
Both B-2 stealth bombers and F-15 fighters are among the planes used in the no-fly zone operation.
Gaddafi's handful of aircraft are mostly Soviet-made.
The Libyan dictator's son Khamis toured the U.S. Air Force Academy in February, eight days before the uprising in Libya began.
The Nimrod R-1 surveillance aircraft gets its name from Nimrod, the great-grandson of Noah, who was the king of Shimar.
Jordan sent jets to participate in the no-fly zone operation.